Charles Hawtrey
(Special Constable Timothy Gorse) ,
Jill Adams
(Policewoman Harrison) ,
Eric Barker
(Inspector Mills) ,
Esma Cannon
(Deaf Old Lady) ,
Cyril Chamberlain
(Constable Thurston) ,
Kenneth Connor
(Constable Charlie Constable) ,
Shirley Eaton
(Sally Barry) ,
Hilda Fenemore
(Woman Needing a Penny) ,
Irene Handl
(Willie's Mother) ,
Joan Hickson
(Mrs. May) ,
Hattie Jacques
(Sergeant Laura Moon) ,
Sidney James
(Sergeant Frank Wilkins) ,
Terence Longdon
(Herbert Hall) ,
Victor Maddern
(Detective Sergeant Liddell) ,
Freddie Mills
(Jewel Thief) ,
Brian Oulton
(Store Manager) ,
Leslie Phillips
(Constable Tom Potter) ,
Joan Sims
(Policewoman Gloria Passworthy) ,
Kenneth Williams
(Constable Stanley Benson) , Joan Young (Lady Mayoress)